our board

Tiffany House
Board President

Tiffany House is a Chartered Advisor in Philanthropy (CAP) and financial advisor dedicated to Charitable Planning and helping her clients create a master game plan that incorporates their intellectual, ethical and financial legacy. She is passionate about educating and empowering families regarding financial matters to help them create a legacy of their own design and steward wealth to future generations while considering civic responsibility.

She founded the Gift Planning Institute that provides outsourced planned giving services to non-profit organizations, gift planning strategies for professional advisors and match-making for donors. Tiffany’s experience helping clients donate complicated assets tax efficiently provides a unique opportunity for organizations to benefit from her vantage point. She enjoys collaborating with tax, legal, financial and business transition advisors, but favorite part of consulting is connecting donors to organizations that ignite their passions!

Teresa Yost
Vice President

I’ve been a community volunteer for many years now. Whether it’s building homes for low-income families, gathering back to school donations, or supporting my local pet adoption center, there is always work to be done. Having years of experience in project management, I’m able to apply those skills to my volunteer work to help others whenever possible.

I’ve been involved with Check for a Lump for several years now and I have met some of the most incredible individuals. The strength and perseverance these ladies exhibit is extraordinary. The stories women tell me about their journey is humbling. And the caregivers, selfless and loving.

It’s important that we continue to make an impact in the fight against breast cancer and for me to be an active participant in that fight.

Jen Umscheid
Secretary

Jen has been a part of the clinical laboratory community for 20 years and began her career in the United State Air Force as a Medical Laboratory Scientist; an opportunity that has allowed her to travel and gain a diversified experience in the world of healthcare. She currently serves as the System Quality Director for Sonora Quest Laboratories/Laboratory Sciences of Arizona based in Phoenix, Arizona and is responsible for planning, implementing, and monitoring organizational quality management strategies for 65 licensed laboratories spanning 6 states. She is passionate in her commitment to improving outcomes for the healthcare community she serves as well as supporting her amazing team! Jen also enjoys spending time with her talented husband Scott, an Executive Chef, and their rambunctious dog, Buster. Jen is grateful for the opportunity to serve and support the Check for a Lump mission because of family members personally affected.

Anita Saesing
Treasurer

Anita Saesing is a young breast cancer survivor. She was diagnosed with ER and PR positive breast cancer at 27 years old.

She has published two personal essays in The Wildfire Magazine. One of the essays was re-shared by Rethink Breast Cancer. She was also interviewed on The Wildfire podcast called The Burn.

She has the heart of a servant leader and enjoys helping her community. Whether that’s encouraging and guiding refugees with their English lessons, serving meals to the homeless, or other types of volunteer work, she always leans in and gives it her all.

In her free time, you'll find Anita writing, traveling, sewing, or spending time with her loved ones.

David Grandon
Member

I have built and continue to build authentic and mutually beneficial partnership between Trulieve and local and national organizations. Trulieve has partnered with Disabled American Veterans, YWCA, Dress for Success, ASPCA, Brett Hundley foundation, Check for a Lump, Cancer support community, The Arizona Epilepsy foundation. I Oversea our highly successful "roll up" cause marketing program.

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Linda Greer, MD
Member

Dr. Greer is a dedicated breast imager with specialty training in diagnostic radiology. She earned her medical degree from University of Texas-Medical Branch in Galveston, TX, and completed a residency program in Diagnostic Radiology also at University of Texas-Medical Branch.

Dr. Greer has extensive experience and has been a dedicated breast imager for 25 years. She has authored multiple research publications and has presented her work at many prestigious national and international conferences, including presenting a significant amount of research on Tomosynthesis (3D mammography). She is a member of several professional societies and is also board certified.

Dr. Greer is committed to the advancement of early detection of disease and to providing patient-centered care to all of her patients at Arizona Diagnostic Radiology, helping them make the most informed decisions about their healthcare.

Sommer Gunia, DO
Member

Dr. Gunia is one of the few sub-specialty Fellowship Trained Breast Surgical Oncologists in Scottsdale and is committed to the evaluation and treatment of breast disease. She is dedicated to bringing the highest level of breast care to the valley by incorporating her expertise in the newest technologies and advancements available for both the diagnosis and treatment of breast cancer. Her training included oncoplastic surgical technique, which combines the principles of cancer removal with optimal cosmetic results.

After earning an undergraduate degree at Arizona State University, she obtained her medical degree from Kansas City University of Medicine and Biosciences. Dr. Gunia completed general surgery training through Ohio University and further specialized in Breast Surgical Oncology at Akron General Medical Center in Ohio.

Dr. Gunia enjoys playing cards, country line dancing, relaxing by the pool with a good book, traveling, attending concerts and spending time with her husband, Steve, and their two tabby cats.

Kate Kunberger JD
Co-Founder/Member

Kate is an attorney specializing in entertainment-related intellectual property litigation. She earned her B.A. from University of Arizona, and her J.D. from New York University, School of Law. Kate has a passion for international travel and has been to over 50 countries.

Tonsa Price-Edwards
Member

Tonsa Price-Edwards is a breast cancer survivor. Originally diagnosed in 2007, since a second diagnosis in 2020 she has been thriving with Metastatic Breast Cancer.

Tonsa comes to the Board with several years of strong volunteer experience and is passionate and committed to helping the organization grow its advocacy and support for MBC patients. Part of her personal mission is to ensure that we “Don’t Ignore Stage IV”. She holds a BA from Wellesley College and an MBA from the University of Cincinnati,

Tonsa is now retired after an extensive executive career for several public and private organizations that spanned both Human Resources and Operations. In her free time, she enjoys spending time with her husband Del, traveling, art, music, photography, and racing and riding her bike.